Home / 8,190,743.10-12,286,114.65-2,510,229.30

Finding the Fourth Proportional to 8,190,743.10, 12,286,114.65 and 2,510,229.30

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Solution

The fourth proportional to 8,190,743.10, 12,286,114.65 and 2,510,229.30 is: 3,765,343.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,743.10 : 12,286,114.65 = 2,510,229.30 : x
  2. Step 2: Convert to fraction form
    8,190,743.10/12,286,114.65 = 2,510,229.30/x
  3. Step 3: Cross multiply
    8,190,743.10x = 12,286,114.65 × 2,510,229.30
  4. Step 4: Simplify right side
    8,190,743.10x = 30,840,964,977,589.24
  5. Step 5: Solve for x
    x = 30,840,964,977,589.24/8,190,743.10
  6. Step 6: Final answer
    x = 3,765,343.95

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.